Text & chat prompt
Write helpful image alt text
Write helpful image alt text: a free, copy-paste prompt for ChatGPT, Gemini and Claude. Paste the prompt and replace each [BRACKETED] field with your own details.
The prompt
Write alt text for these images on a page about [TOPIC]: [DESCRIBE EACH IMAGE AND ITS PURPOSE] For each give a short alt text under 125 characters, say whether the image is decorative and needs empty alt text, and add a longer description for any complex chart or diagram.
Pro tip: Describe what the image means on the page, not every visual detail.
How to use this prompt
- Open ChatGPT and start a new chat.
- Paste the prompt.
- Replace each [BRACKETED] field with your real details and paste in your own text where asked.
- Reply with follow-ups such as "make it shorter" or "make it sound more like me".
Prompt at a glance
- Category
- Text & chat
- Works with
- ChatGPT · Gemini · Claude
- Length
- 49 words
- Fields to fill in
- TOPIC, DESCRIBE EACH IMAGE AND ITS PURPOSE
- Last updated
Frequently asked questions
Which AI tools work with this prompt?
It is written for ChatGPT, Gemini and Claude. Paste it into your preferred tool and adjust the wording if the result is off.
What do I need to fill in?
Replace these fields before you send it: TOPIC, DESCRIBE EACH IMAGE AND ITS PURPOSE. Each field shows an example in the prompt.
Should I paste private information into the prompt?
Only what the task needs. Remove names, contact details and other sensitive data before pasting a resume or document into any AI tool.
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